HomeAuthorsPosts by Sundareswaran Iyalunaidu

Sundareswaran Iyalunaidu

With over 24 years of dedicated experience, I am a seasoned professional specializing in the commissioning, maintenance, and installation of Electrical, Instrumentation and Control systems. My expertise extends across a spectrum of industries, including Power stations, Oil and Gas, Aluminium, Utilities, Steel and Continuous process industries. Tweet me @sundareshinfohe
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Procedures

Faulty Thermocouple Replacement Procedure in Process Area: Complete Step-by-Step Field Guide for Instrumentation Engineers

Table of ContentsIntroduction to Thermocouple Replacement in Process AreasPurpose and Scope of the Thermocouple Replacement ProcedureWhen a Thermocouple Should Be ReplacedCommon Signs of a Faulty ThermocoupleHow to Confirm the Fault Before ReplacementPre Job Planning and Work PreparationResponsibilities of Operations and Instrumentation PersonnelReview of P&ID,...
Documentation

Instrument Index Generator for EPC Instrumentation Projects

Table of ContentsInstrument Index Generator for Efficient Instrumentation Documentation ManagementWhat is an Instrument Index GeneratorInstrument Index as a Digital Master RegisterHow an Instrument Index Generator WorksWhat Is an Instrument Index in Instrumentation Engineering?Instrument Index DefinitionRole of the Instrument Index in EPC ProjectsWhy Is an...
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Engineering Standards

What Cables to Use in Ex Zones: Complete Guide for Instrumentation & Control Engineers

Table of ContentsUnderstanding Cable Requirements in Hazardous (Ex) ZonesATEX Cable Requirements for Hazardous Areas...
Checklist

Checklist for Best Radar Level Measurement & Control System Performance

Table of ContentsDesign and Selection Checklist for Radar Level TransmittersInstallation Checklist for Optimal Radar...
Instrumentation Calculators

Wet-Leg Level Calculation for DP Transmitters: Complete Guide for Instrumentation Design Engineers

DP Wet-Leg Level Calculator – Enhanced ...
Automation

Heartbeat Technology in Process Instrumentation – Complete Working, Diagnostics, Verification & Predictive Maintenance Guide

Table of ContentsHeartbeat Technology in Smart InstrumentationThree Core Pillars of Heartbeat TechnologyWorking Principle of...
Instrumentation Questions

Advanced Boiler Burner Control System Troubleshooting Quiz

Why Burner Management System (BMS) Troubleshooting Matters In process plants, boiler burner control systems are...
Engineering

Why Control Valve Characteristics Matter in EPC Instrumentation and Control Engineering

Table of ContentsUnderstanding What Valve Characteristics Actually RepresentInherent vs Installed Control Valve CharacteristicsExploring the...
Checklist

Advanced Integrated Field Instrument Reliability & Cyber-Secure Maintenance Checklist for Smart Process Plants

Table of ContentsWhy Instrumentation Maintenance Has TransformedEvolution of Instrumentation Maintenance in Modern PlantsRise of...
Fire & Gas

Types of Flame Detectors and Their Uses in Industrial Fire Prevention (Complete Engineer’s Guide)

Table of ContentsWhat Are Flame Detectors? (Definition, Function & Industry Importance)Why Flame Detectors Are...
SIS/ESD

SIF PFDavg / SIL Verification – Complete Guide + Online Calculator (IEC 61508 / 61511)

Table of ContentsSIF PFDavg / SIL Verification CalculatorWhat is a Safety Instrumented Function (SIF)?Understanding...
Instrumentation Questions

Troubleshooting PLC Digital Output Signals – Advanced Industrial Quiz for Automation Engineers

In process industries, where solenoids, motor starters, interposing relays, and field valves all depend...
Temperature Measurement

Thermocouple Wire vs. Thermocouple Extension Wire: The Complete Guide for Instrumentation Engineers

Table of ContentsWhat Is Thermocouple Wire? (Thermocouple-Grade Wire)Characteristics of Thermocouple WireWhat is Thermocouple Extension...
Communication

How to Properly Vent a Pressure or DP Transmitter in Liquid Service

Table of ContentsWhy Proper Venting Is Critical in Liquid ServiceStep-by-Step Procedure for Venting a...
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Latest articles

Procedures

Faulty Thermocouple Replacement Procedure in Process Area: Complete Step-by-Step Field Guide for Instrumentation Engineers

Table of ContentsIntroduction to Thermocouple Replacement in Process AreasPurpose and Scope of the Thermocouple...
Documentation

Instrument Index Generator for EPC Instrumentation Projects

Table of ContentsInstrument Index Generator for Efficient Instrumentation Documentation ManagementWhat is an Instrument Index...
Instrumentation Calculators

Control Valve Flow Characteristic Calculator: Linear, Equal Percentage, and Quick Opening Guide

Table of ContentsWhy Use a Control Valve Flow Characteristic Calculator? What Is a Control Valve...
Instrumentation Questions

Troubleshooting Coriolis Flowmeter in Process Industries Advanced Quiz for Instrumentation Engineers

Real World Coriolis Flowmeter Troubleshooting Scenarios from Refineries, Chemical Plants, Power Plants, and Process...